package com.vitech.javacertification.oo;

class Top {
	public Top(String s) {
		
		System.out.print("B");
		
	}
	
	public Top(){
		
		System.out.println("supers");
	}
	
}

public class Bottom2 extends Top {

	public Bottom2(String s) {
	
		super("s");
		System.out.print("D");
		
	}

	public static void main(String[] args) {
		
		new Bottom2("C");
		System.out.println(" ");
		
	}
}